![The Contagious Yawning Prank Will Make You Yawn [VIDEO]](http://townsquare.media/site/84/files/2013/05/Capture33.png?w=980&q=75)
The Contagious Yawning Prank Will Make You Yawn [VIDEO]
The power of the yawn is a real thing, I yawned at least 5 times watching this video. Roman Atwood traveled the world to find out just how powerful the yawn really is. Watch as he walks by some strangers while yawning and see how many are powerless to the yawn.